Please follow the steps to share the device to us to check.
1.Connect the device to the internet with using an Ethernet cable or repeater mode. Make sure the device stays connected to the internet throughout the process.

2.Refer to this link GoodCloud support guide for instructions to share your device with the support account.

3.Send your device's MAC address and password to GL.iNet support at hoff.xin@gl-inet.com for further assistance.